Proto3 is not as strict as Proto2, and there are no required or optional fields, there are no custom default values. Given the following definition... message Order { enum Side { BID = 0; ASK ...

I have recently upgraded my code base (Java, C++ and C#) to use proto3. In the case of C# this has involved over 2000 changes to the code. This is mostly semantic and all good, but there is one iss...

I am currently revisiting a project using Google Protocol Buffers. In the project I want to make use of the features Descriptors and Reflection of Protocol Buffers. The official documentation sta...

Google has removed unknown fields in proto3. I would love to hear the reasoning behind this choice. Also, if anyone has any way to replicate the proto2 behavior I would love to hear it. If it matt...